Retentor is a related term of retentivity.
As nouns the difference between retentor and retentivity
is that retentor is a muscle which holds a body part in place, notably in extended or retracted position while retentivity is the ability to retain, potential for retention.
retentor
English
Noun
(
en noun)
A muscle which holds a body part in place, notably in extended or retracted position
Related terms
* retention
* retentive
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retentivity
English
Noun
(retentivities)
The ability to retain, potential for retention
(sciences) The capacity to retain magnetism after the magnetizing action
Synonyms
* (general) retentiveness
Related terms
* retentor